Washington: Scientists, including one of Indian origin, have developed a process to remove nearly all traces of oil in produced water — a byproduct from the oil refinery and extraction process.
About 2.5 billion gallons of produced water is generated each day in the US. Handling that water is a major challenge in the oil refinery industry, particularly because it is deemed unusable for household and commercial use because of remaining contaminants.
Several commercial treatments are available, bu